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Jacobson, Marilyn Hall – Arithmetic Teacher, 1984
Activities are presented to give students a picture of decimal concepts of tenths and hundredths. Three models (linear, regional, and value) are described, followed by four activities. (MNS)
Descriptors: Decimal Fractions, Elementary Education, Elementary School Mathematics, Intermediate Grades

Martin, Hope M.; Zawojewski, Judith S. – Arithmetic Teacher, 1993
Presents activities taken from the National Council of Teachers of Mathematics Addendum Series, grades 5-8, involving data collection and chance. Students determine whether a game is fair based on the data collected and examine rule changes to ensure fairness. (MDH)
Descriptors: Data Analysis, Data Collection, Decision Making, Educational Games